diff --git a/kerberos5/lib/libgssapi/Makefile b/kerberos5/lib/libgssapi/Makefile
index 76746836b18f..68424a66dfc5 100644
--- a/kerberos5/lib/libgssapi/Makefile
+++ b/kerberos5/lib/libgssapi/Makefile
@@ -50,6 +50,7 @@ SRCS=	8003.c \
 	add_cred.c \
 	add_oid_set_member.c \
 	address_to_krb5addr.c \
+	arcfour.c \
 	canonicalize_name.c \
 	compare_name.c \
 	compat.c \